13553086 has 4 divisors (see below), whose sum is σ = 20329632. Its totient is φ = 6776542.

The previous prime is 13553081. The next prime is 13553093. The reversal of 13553086 is 68035531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68035531 = 3677 ⋅18503.

It is a super-2 number, since 2×13553086² = 367372280246792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13553081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3388270 + ... + 3388273.

It is an arithmetic number, because the mean of its divisors is an integer number (5082408).

Almost surely, 2^13553086 is an apocalyptic number.

13553086 is a deficient number, since it is larger than the sum of its proper divisors (6776546).

13553086 is an equidigital number, since it uses as much as digits as its factorization.

13553086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6776545.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 13553086 is about 3681.4516158711. The cubic root of 13553086 is about 238.4218561520.

The spelling of 13553086 in words is "thirteen million, five hundred fifty-three thousand, eighty-six".